Fixed magnetic field that stator and rotor rotating conductor call.
固定磁场叫定子，旋转导体叫转子。
Generator is the use the second, external drive generators turn, driving the conductor cut a fixed magnetic field.
发电机就是利用第二种，外力推动发电机转动，带动导体切割一个固定磁场。
Add the workpiece fixed in the coil, coil discharge at the moment have a damping pulse magnetic field decay, so that the loss of magnetic parts.
工件放入线圈中不动，线圈在放电瞬间产生脉冲阻尼衰减磁场，使工件失去磁性。
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